Voluntary drug testing is taking place at a dozen music festivals this summer amid fears that super strength ecstasy could claim more lives. Fiona Measham, who is behind the project, said her clinics were a last attempt to deter those who have already smuggled in substances.

'The danger is not the contaminants, it is the high strength of MDMA and ecstasy pills. It is difficult to say before we get the full results from inquests,' she said. 'But with these teenage deaths they are taking tablets that are many times stronger and they are often of a smaller build and their tolerance is low. It hits them very hard. [Read more]